Bernardsville New Jersey Climate Data

Monthly Average Climate Data for Bernardsville New Jersey

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January20.7 °F37.7 °F3.79 in.
February21.8 °F40.2 °F2.94 in.
March29.0 °F48.7 °F4.43 in.
April39.7 °F61.1 °F4.06 in.
May49.4 °F71.0 °F4.17 in.
June58.8 °F79.6 °F4.88 in.
July63.7 °F84.5 °F4.79 in.
August62.1 °F82.7 °F4.65 in.
September54.7 °F75.9 °F4.28 in.
October43.2 °F64.0 °F4.39 in.
November33.6 °F52.9 °F3.65 in.
December26.4 °F42.7 °F4.43 in.
Annual41.9 °F61.8 °F50.46 in.

Climate Data for Bernardsville New Jersey

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation